# Screw Loop vs Loop Train 3D

The clearest difference is in-app purchases: Screw Loop at none against Loop Train 3D's 10. Screw Loop also leads on update cadence (daily vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Loop Train 3D sells 10 one-off in-app purchases. Screw Loop asks for nothing beyond the download.

Screw Loop ships an update daily, Loop Train 3D every 2 weeks. The most recent releases landed on September 10, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | Screw Loop | Loop Train 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (101 ratings)](https://appshunter.io/ios/app/loop-train-3d/id6746925538/reviews)** |
| Number of ratings | — | **101** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 135 MB | 369 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ahmet Bugra Cetinel](https://appshunter.io/developer/1551919296) | [Bugbomb](https://appshunter.io/developer/1440148721) |

## What reviewers say

### Screw Loop

[App page](https://appshunter.io/ios/app/screw-loop/id6746460369)

**Features:** macOS Compatibility

**In-app purchases:** none


### Loop Train 3D

[App page](https://appshunter.io/ios/app/loop-train-3d/id6746925538)

Control a busy railway station by launching trains in the correct order. Plan your moves carefully to pick up passengers and avoid traffic jams. This logic puzzle game offers challenging levels and simple controls for a fun brain workout.

**Highlights:** Strategic train launch timing, Passenger pickup optimization, Challenging logic puzzles, Unique track layouts, Simple tap controls, Charming 3D graphics

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| Coin Pack 1 | $1.99 | one-time |
| Revive Pack | $4.99 | one-time |
| Coin Pack 2 | $7.99 | one-time |
| No ads | $9.99 | one-time |
| No Ads Pack | $10.99 | one-time |
| Coin Pack 3 | $14.99 | one-time |
| Coin Pack 4 | $29.99 | one-time |
| Coin Pack 5 | $49.99 | one-time |
| Coin Pack 6 | $99.99 | one-time |


## Frequently asked questions

### Is Screw Loop free?

Screw Loop is free to download, with no in-app purchases.

### Is Loop Train 3D free?

Loop Train 3D is free to download, with in-app purchases available.

### Do Screw Loop or Loop Train 3D have ads?

Both Screw Loop and Loop Train 3D show ads.

### Which is updated more often, Screw Loop or Loop Train 3D?

Screw Loop ships an update daily, and Loop Train 3D every 2 weeks. Most recently, Screw Loop was updated on September 10, 2026 and Loop Train 3D on July 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*